Drag the tiles to the correct boxes to complete the pairs.
Match each object or compound to how it came to be.
icy debris
rain
carbon dioxide
volcanic outgassing
comets and meteoroids
condensation of water vapor

Growing crops in places where major pests don't live using beneficial insects to eat harmful insects using a rat trap instead of a rodenticide developing drought-resistant tomato plants using beneficial insects or natural oils to repel pests planting a different crop every year to fake out the pests keeping food covered to deter ants and rodents developing bean plants with a resistance to fungus picking caterpillars off tomato plants cultivation practice biological control cultural control genetic resistance natural chemicals